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Type 2 당뇨병 환자의 혈당 조절 안자로1,5Anhydroglucitol과 HbAIC의 비교
류정록 ( Jung Rok Ryu ),안진수 ( Jin Soo Ahn ),박지영 ( Ji Young Park ),남현철 ( Hyun Chui Nam ),김채숙 ( Chae Sook Kim ) 대한임상검사과학회 2002 대한임상검사과학회지(KJCLS) Vol.34 No.2
1,5Anhydroglucitol (1,5AG) is one of the major polyols in human body. It provides useful information on current glycemic control and is superior to HbA1C. To evaluate the use of plasma 1,5Ahydroglucitol (1,5AG) levels in screening for type II diabetes mellitus, the relationship between the plasma concentration of 1,5AG and HbA1C was examined in 127 patients with type II diabetes mellitus Patients. Subjects were separated into five groups based on diabetes control and complication trial (DCCT) criteria: normal group (NG), normal DM patient (ND), near normal glycemia (NN), good control (GC), action suggested (AS) groups. Fasting plasma glucose (F=70.99, P> 0.0001, 1,5AG (F=28.2, P> 0.0ω1) and HbA1C (F=15.14, P>0.0001 concentrations showed significant differences between each groups. These fmdings suggest that the plasma 1,5AG concentration can be a useful index of type II diabetes me1litus patients.
류정록 ( Jung Rok Ryu ),안진수 ( Jin Su An ),박지영 ( Gi Young Park ),남현철 ( Hyun Chul Nam ) 대한임상검사과학회 2003 대한임상검사과학회지(KJCLS) Vol.35 No.1
Lipases are glycoproteins with a molecular weight of 47000 daltons and are defined as triglyceride hydrolases. They catalyze the cleavage of diglycerides with the subsequent formation of monoglycerides and fatty acids. We evaluated serum lipase CX-7 Delta(1-2 diglyceride substrate) and Integra 700(1, 2-O-dilauryl-rac-glycero-3-glutaric acid-(6-methylresorufin) ester substrate). Within-run CVs of two level serums were 4.1% and 3.0%. The between-run CVs were 3.5%, 3.9%, respectively. The comparison between Integra700(y) and CX-7(x) resulted in a linear regression analysis described by the equation: y=3.002x+36.26 with a correlation coefficient r=0.9884.
Nephelometry법에 의한 IgG Subclass 참고치 설정
류정록 ( Jung Rok Ryu ),남현철 ( Hyun Chul Nam ),허봉수 ( Bong Soo Hur ) 대한임상검사과학회 2003 대한임상검사과학회지(KJCLS) Vol.35 No.2
We developed nephelometric assays on the Beckman Array 360 Nephelometry analyzer that allow a quantification of IgG subclass concentrations in 100 samples quickly and reproducibly. We have established new reference ranges the human IgG subclass in sera of adults. These reference ranges are the central 95th percentile of results from a study of 100 apparently healthy individuals(44 females, 56 males). The reference ranges of IgG subclasses in sera are IgG1 447-1260 mg/dL, IgG2 246-900 mg/dL, IgG3 15-147.6 mg/dL, and IgG4 12-104.4 mg/dL respectively.
BCG 의 Sarcoma 180 cell 增植柳制(증식류제) 效果(효과)에 관한 硏究(연구)
류정록 ( Jung Rok Ryu ) 대한임상검사과학회 1990 대한임상검사과학회지(KJCLS) Vol.22 No.1
미생물 기원 免疫增强物質인 BCG에 의한 Sarcoma-180 tumor cell에 대한 항종양 效果를 알아보기 위해 JCL-ICR mouse 복강에 S-180 종양세포를 접종하여 대조군으로 하고 BCG를 60㎍/㎏, ip로 -1, 1, 5, 9일에 접정한 군을비교했을 때BCG접종군의 약 2배의 수명연장 效果가 있음이 관찰되었다. BCG 접종군에서는 B cell 이 시일 경과에 따라 현저히 증가하였으며 면역글로부린의 증가를 형청 단백질 던기영동과 면역글로부린 전기영동에서 확이 하였다. 한편 51Cr-release assay에 의한 細胞毒性 시험에서 NK cell의 활성은 볼 수 없었으며 혈청을 비동화하고 complement를 넣어 주었을 때%specific51 Cr-release의 증가를 보이므로 BCG에 의한 S-180 cell 증식 억제 효과는 antibody-complement-mediated cytotoxicity에 의 한 것으로 생각된다. The study reported here was designed to determine the efficacy of Bacilli Calmette-Guerin (BCG) treatment against sarcoma 180 tumor cells suppression in JCL- ICR mice. The results were as follows : 1. A group of mice previously injected with BCG 60 ,ug/kg mouse on day-1 (injected intraperitoneally on day -1, 1, 5 and 9) is the most effective and its mean survival period have two folds longer than that of non- injected control. 2. 240 ,ug/kg mouse of BCG previously injected group on day -1, 5, 9 and 13 is most effective and mean survial peried have two folds longer. 3. The amount of B lymphocyte were markedly increased in BCG sensitized mice. 4. The observation of apparent changes from serum protein electrophoresis and immunoelectrophoresis as an increase of immunoglobulins. 5. NK cell activity was measured by a standarded 4hrs 51 Cr-release assay with Sarcoma 180 used as targets. NK cell were not or, if anything ; were far less cytotoxic against the target cells. 6. By the heat- inactivated antiserum with complement cell assay, it was shown that the percent specific 51 Cr-release was increased. The results suggest that the efficacy of BCG against S- 180 cells suppression were antibodycomplement- mediated cytotoxicity.
황석천 ( Seok Cheon Hwang ),류정록 ( Jung Rok Ryu ) 대한임상검사과학회 2000 대한임상검사과학회지(KJCLS) Vol.32 No.3
The conventional electrophoresis method of urinary protein first needs specimen concentration procedure because of the sensitivity of gel or cellulose acetate medium. Its sensitivity is about 26 mg/dl. This method utilizes the electric charge difference for the separation of proteins respectively. Therefore, protein fractions are developed on the gel or cellulose acetate medium according to their charge difference not the molecular weight difference. So interpretation and application of this result for the diagnosis of patient``s status are generally difficult because identification of protein fractions is not c1ear and generally able to guess what it is. SDS-Gel electrophoresis method is very unique one for the urinary protein analysis. It is no need of urine concentration procedure because it is more sensitive than conventional method. Its sensitivity is about 1.5 mg/dl. Another feature of this method is to use the molecular weight difference, seiving effect and acid violet staining for the separation of proteins. Therefore, protein fractions are developed on the gel according to molecular weight difference of the proteins. So interpretation and application of this result for the diagnosis ``Of patient``s status are very easy and c1ear. We can interprete if the bands (which are located far form the sample application points) are appeared above albumin fraction ``On the gel, they ``Originated from tubular damage, and if the bands (which is located near the sample application points) are appeared under albumin fraction ``On the gel, they ``Originated from glomerular damage. It is very simple tointerprete the results ``On the gel. If the bands are appeared aboveand under albumin fraction at the same time, this means both glomerular and tubular of nephron have been damage. This methcxl was compared with Standard nephelometric assay ``Of urinary proteins with 82 patients sample and 21 normal subjects and always got the same resu1ts with nephelometry.
이창규 ( Chyng Kyou Lee ),류정록 ( Jong Rok Ryu ),남현철 ( Hyun Cheal Nam ),박종성 ( Jong Seong Park ),황성준 ( Seung Joon Whang ),정수경 ( Soo Kyung Jung ),김상철 ( Sang Cheol Kim ),이승관 ( Seung Gwan Lee ),조경진 ( Kyung Jin 대한임상검사과학회 2000 대한임상검사과학회지(KJCLS) Vol.32 No.3
CRP measurement has been used in order to estimate the degree of acute inflammation or tissue necrosis caused by v:따ious factors, A lot of quantitative methods adopting different principle have been shown up since the international standards for CRP were confmned by IFCC. Through the ROC analysis the authors want to presents the efficiency of the quantitative CRP measurement among the patients who came to the emergency room of a university hospital appearing chest pains.